}

	for _, c := range i.constraints {
		if err := c(); err != nil {
			return err
		}
	}
	return nil
}

// CheckOrFail calls Check on this selection and fails the given test if an
// error is encountered.
func (i *Instance) CheckOrFail(t test.Failer) *Instance {
	t.Helper()
	if err := i.Check(); err != nil {
		t.Fatal(err)
	}
	return i
}

			Equals("PassthroughCluster", "{.filterChains[1].filters[0].typedConfig.cluster}").
			Equals("PassthroughCluster", "{.filterChains[1].filters[0].typedConfig.statPrefix}").
			Equals(true, "{.useOriginalDst}").
			CheckOrFail(t)
	})

	t.Run("mongo", func(t *testing.T) {
		s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{
			ConfigString: mustReadFile(t, "tests/testdata/config/se-example.yaml"),
		})